As shown in the figure, the MSR router of the headquarters is connected to the branch through the Ethernet interface E1/0, and the connection is backed up through the ISDN network.

Which of the following options are feasible at this time?

• A.The RIP protocol runs on the Ethernet link between the headquarters and the branch. Then set the static route, the outgoing interface is Bri2/0, and the default priority value
• B.OSPF protocol runs on the Ethernet link between the headquarters and the branch. Then set the static route, the outgoing interface is Bri2/0, and the priority value is 200
• C.OSPF protocol runs on the Ethernet link between the headquarters and the branch. Then set the static route, the outgoing interface is Bri2/0, and the priority value is 0
• D.The RIP protocol runs on the Ethernet link between the headquarters and the branch. Then set up a dynamic routing backup group on the outbound interface Bri2/0

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According to the topology shown in the figure, the OSPF router type for RTE is ________.

• A.Backbone router
• B.ABR
• C.Intra-area router
• D.ASBR

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As shown in the figure is an OSI routing network, the route between RTB and RTE in the figure should be _______ route.

• A.Level-3
• B.Level-1
• C.Level-2
• D.Level-0

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OSPFv3 authentication can be achieved through the ________ method.

• A.Configure OSPFv3 area and authentication in interface view
• B.Configure IPSec policy to authenticate OSPFv3 protocol
• C.Configure Authentication in the OSPFv3 Process Area View
• D.Configure Authentication in OSPFv3 Process View

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Which of the following descriptions about address prefix lists is correct is _______.

• A.permit 10.0.0.0 24 indicates that it matches the network whose mask in the 10.0.0.0/24 interval is greater than or equal to 24 bits
• B.permit 0.0.0.0 0 less-eual 32 indicates that all routes are matched
• C.permit 10.0.0.0 24 indicates that only the 10.0.0.0/24 network segment is matched
• D.permit 0.0.0.0 0 means match all routes

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